Home / 16,785.30-25,194.15-8,474.70

Finding the Fourth Proportional to 16,785.30, 25,194.15 and 8,474.70

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Solution

The fourth proportional to 16,785.30, 25,194.15 and 8,474.70 is: 12,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.30 : 25,194.15 = 8,474.70 : x
  2. Step 2: Convert to fraction form
    16,785.30/25,194.15 = 8,474.70/x
  3. Step 3: Cross multiply
    16,785.30x = 25,194.15 × 8,474.70
  4. Step 4: Simplify right side
    16,785.30x = 213,512,863.01
  5. Step 5: Solve for x
    x = 213,512,863.01/16,785.30
  6. Step 6: Final answer
    x = 12,720.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.